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Questions related from Adam da
Hi, Does anyone here know of a tool or technique to measure the thickness of MDF across the entire board (4'x8') non-destructively? I currently cut up the board into 40 pieces and using a...
31 May 2022 2,451 0 View
Hi, I've browsed around and couldn't find any companies selling self-healing polymers on a commercial scale. Would anyone here happen to know?
14 August 2021 548 3 View
Hello, Using the Scherrer's equation, one could calculate, roughly, the crystalline size of ZIF-8. However, I am confused as to which peak in the XRD pattern should be taken for the calculation?...
11 January 2021 8,813 3 View
Hello, I am wondering if using temperatures up to 65 C reduce graphene oxide at all. I currently fabricate graphene oxide membranes from a water dispersion (heat up to 40 C during sonication). I...
16 September 2020 6,753 12 View
Hello, I am making a graphene oxide/polymer composite membrane using spin-coating. When the precursor solution is made (blending and sonication of polymer with graphene oxide, followed by...
14 July 2020 6,698 13 View
Hello, Following many procedures, I am spin coating a 1mg/ml GO in water suspension onto a nylon membrane, repeated 5 times (3000rpm, 30sec). However, there still seems to be defects, as the gas...
23 October 2019 3,672 3 View
hello, I am trying to separate a star shaped siloxane polymer from starting material using column with some luck. Using 70/30 hexane/EA, I can get my product but with a few problems: 1- The...
15 July 2019 2,392 2 View
Hello, I am trying to purify a reaction product of hydrosilylation with a styrene compound using Karstedt's catalyst. However, it seems to be cumbersome for the following reason. After...
09 April 2019 1,746 2 View
Hello, I prepared a poly(ethylene-co-vinyl alcohol) membrane via phase inversion by casting on a glass plate. What is a good way to remove it from glass without damaging the membrane?
15 November 2018 475 4 View
